59201 Low
Boiler Fault Code 59201
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 59201 appears across 1 boiler brand and 1 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your solar heating system is circulating liquid too quickly, which usually means a sensor is misreading or the pump speed needs adjusting. (As reported on Worcester Bosch Greenstar CDi Compact)
Pick your boiler brand for the 59201 fix
Source
Information for the 59201 fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026